Dupleks multiplekser (ehk pildiliitja) on seade, mis võimaldab salvestada mitme kaamera kujutised ühele videolindile ning neid samaaegselt mitmik- või üksikpildina vaadata.
In practice, restrictions on the provision of telecommunications services within the meaning of Article 59 to or from other Member States consist mainly in the prohibition on connecting leased lines by means of concentrators, multiplexers and other equipment to the switched telephone network ...